CN106850554B - Method and device for dual-system directional connection - Google Patents
Method and device for dual-system directional connection Download PDFInfo
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- CN106850554B CN106850554B CN201611196639.7A CN201611196639A CN106850554B CN 106850554 B CN106850554 B CN 106850554B CN 201611196639 A CN201611196639 A CN 201611196639A CN 106850554 B CN106850554 B CN 106850554B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/16—Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]
- H04L69/161—Implementation details of TCP/IP or UDP/IP stack architecture; Specification of modified or new header fields
- H04L69/162—Implementation details of TCP/IP or UDP/IP stack architecture; Specification of modified or new header fields involving adaptations of sockets based mechanisms
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/46—Multiprogramming arrangements
- G06F9/54—Interprogram communication
- G06F9/544—Buffers; Shared memory; Pipes
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Abstract
The invention discloses a method and a device for dual-system directional connection. The method comprises the following steps: establishing socket connection between a first daemon process of first system equipment and a second daemon process of second system equipment; the method comprises the steps of establishing socket connection between the system service of the first system device and the first daemon process and between the system service of the second system device and the second daemon process, and finally establishing a data channel based on the socket connection between the two systems.
Description
Technical Field
The invention relates to the field of intelligent terminals, in particular to a method and a device for dual-system directional connection.
background
in order to improve convenience of software and hardware upgrading of equipment and stability of a system architecture, two Android system devices are often adopted in many existing interactive devices, wherein one Android system device is used for achieving basic requirements such as display of the interactive devices; and the other Android system device is used for realizing interaction between the interaction device and the user.
in the Android dual-system scheme, in order to communicate between two systems, Android-a is used as host, Android-B is used as client, and the Android-a is connected to B through an ADB (Android Debug Bridge) and sends instructions. And when the message B needs to be sent to the message A, the message B is output in a log file mode, and the message B is obtained by analyzing the log file by the message A.
if the third party application knows the format of the data transmitted back from B to A, the security of the third party application is greatly threatened. In addition, the process of parsing the log file is inefficient.
Disclosure of Invention
the invention provides a method and a device for directional connection of double systems, which are used for eliminating the potential safety hazard of double-system data transmission in the prior art and improving the data processing efficiency.
a first aspect employs a method of dual system directed connectivity, comprising:
Establishing socket connection between a first daemon process of first system equipment and a second daemon process of second system equipment;
and establishing socket connection between the system service of the first system equipment and the first daemon process and between the system service of the second system equipment and the second daemon process.
Wherein, the establishing of the socket connection between the first daemon process of the first system device and the second daemon process of the second system device includes:
Starting a first daemon process of the first system equipment, wherein the first daemon process starts a second daemon process of second system equipment by taking a physical address of the first system equipment as a starting parameter through an ADB (address data base);
The first daemon process generates a monitoring socket of socket connection, and the socket connection is bound to the IPv6 address of the first system device and a physical network card directly connected with the first system device and the second system device;
and the second daemon process confirms the IPv6 address of the first system equipment according to the starting parameters and initiates active socket connection to the IPv6 address through the connected network card so as to confirm establishment of socket connection to the monitoring socket.
After the socket connection between the system service of the first system device and the first daemon process and the socket connection between the system service of the second system device and the second daemon process are established, the method further includes:
and when the system service of the first system device or the second system device needs to communicate, sequentially sending the data to the system service of the other system device through the daemon process of the system device and the daemon process of the other system device through the corresponding socket connection.
wherein, when the system service of the first system device or the second system device needs to communicate, before sending the data to the system service of the other system device through the daemon process of the system device and the daemon process of the other system device in sequence through the corresponding socket connection, the method further includes:
Setting a file descriptor of a socket connection between the first system device and a second system device.
And sending data between the daemon process of the first system equipment and the daemon process of the second system equipment in a blind forwarding mode.
A second aspect employs an apparatus for dual system directional connection, comprising:
The system comprises a first establishing unit, a second establishing unit and a processing unit, wherein the first establishing unit is used for establishing socket connection between a first daemon process of first system equipment and a second daemon process of second system equipment;
a second establishing unit, configured to establish a socket connection between the system service of the first system device and the first daemon process, and a socket connection between the system service of the second system device and the second daemon process.
wherein the first establishing unit includes:
The daemon starting module is used for starting a first daemon of the first system equipment, and the first daemon starts a second daemon of second system equipment by taking a physical address of the first system equipment as a starting parameter through ADB;
The network card connection module is used for generating a monitoring socket of socket connection through a first daemon process, and binding the socket connection to the IPv6 address of the first system device and a physical network card directly connected with the first system device and the second system device;
And the socket connection module is used for confirming the IPv6 address of the first system equipment by the second daemon process according to the starting parameters and initiating active socket connection to the IPv6 address through the connected network card so as to confirm establishment of socket connection to the monitoring socket.
wherein, the device still includes:
And the data transmission unit is used for transmitting the data to the system service of the other system device through the daemon process of the system device and the daemon process of the other system device in sequence through corresponding socket connection when the system service of the first system device or the second system device needs to communicate.
wherein, the device still includes:
A file descriptor setting unit, configured to set a file descriptor of a socket connection between the first system device and the second system device before data transmission.
And sending data between the daemon process of the first system equipment and the daemon process of the second system equipment in a blind forwarding mode.
The socket connection between a first daemon process of first system equipment and a second daemon process of second system equipment is established; the system service of the first system equipment is established and the socket connection between the first daemon process, the system service of the second system equipment is established and the socket connection between the second daemon process, and finally a data channel based on the socket connection between the double systems is established.
Drawings
FIG. 1 is a flow chart of a method for dual system directed connection according to a first embodiment of the present invention;
FIG. 2A is a flow chart of a method for dual system connection in the second embodiment of the present invention;
FIG. 2B is a diagram of data channels of a dual system connection in a second embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a dual-system connection-oriented apparatus according to a third embodiment of the present invention;
Fig. 4 is a schematic structural diagram of a dual-system directional connection device in the fourth embodiment of the present invention.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Before discussing exemplary embodiments in more detail, it should be noted that some exemplary embodiments are described as processes or methods depicted as flowcharts. Although a flowchart may describe the steps as a sequential process, many of the steps can be performed in parallel, concurrently or simultaneously. In addition, the order of the steps may be rearranged. The process may be terminated when its operations are completed, but may have additional steps not included in the figure. The processes may correspond to methods, functions, procedures, subroutines, and the like.
Example one
Fig. 1 is a flowchart of a method for dual system directional connection according to an embodiment of the present invention. The method of the embodiment can be implemented by means of hardware and/or software, and can be generally independently configured in an application terminal of a terminal device to implement the method of the embodiment.
the application terminal may be a plug-in of a certain client terminal embedded in the user terminal, or a plug-in of an operating system of the user terminal, and is used in cooperation with a text editing client terminal (e.g., a notepad or an editor) embedded in the user terminal; the application terminal may also be an independent client terminal capable of providing a text editing service in the user terminal, which is not limited in this embodiment.
S11, establishing a socket connection between the first daemon process of the first system device and the second daemon process of the second system device.
In the prior art, data transmission between a first system device and a second system device is mainly unidirectional transmission, and if bidirectional data transmission is to be realized, the process is complex and the data transmission speed is slow.
in the scheme, daemon processes for scheduling and managing data transmission between two system devices are respectively established on the two system devices, the daemon processes independently run in a background of a system, and data transmission is performed between the two daemon processes in a socket mode.
The first daemon process of the first system device may start the second daemon process of the second system device according to the set parameter, and establish socket connection between the first system device and the second system device according to the set parameter and the request and return between the first daemon process and the second daemon process.
S12, establishing a socket connection between the system service of the first system device and the first daemon process, and establishing a socket connection between the system service of the second system device and the second daemon process.
For system equipment, the system service is a node between outer layer interaction and inner layer data processing, in the scheme, two system equipment respectively establish socket connection between the system service and respective daemon process, data in the user interaction process is transmitted between the system service and the daemon process through the socket connection, and finally, when data transmission is needed between the two system equipment, data transmission from one system service to the other system service is realized sequentially through a socket between the system service and the daemon process, the socket connection between the daemon process and a data channel formed by the socket connection between the daemon process of the other system and the system service.
In summary, in the technical solution of this embodiment, a socket connection between a first daemon process of a first system device and a second daemon process of a second system device is established; the system service of the first system equipment is established and the socket connection between the first daemon process, the system service of the second system equipment is established and the socket connection between the second daemon process, and finally a data channel based on the socket connection between the double systems is established.
Example two
Fig. 2A is a flowchart of a method for dual-system directional connection according to a second embodiment of the present invention, where as shown in the figure, the method includes:
Step S21, starting a first daemon process of the first system device, where the first daemon process starts a second daemon process of the second system device by using the physical address of the first system device as a starting parameter through the ADB.
in the scheme, an initiating end of data is defined as the first system equipment, and a receiving end of the data is defined as the second system equipment. When establishing the directional connection in the scheme, a first daemon process is started first, the daemon process can be defined by a user to execute a predetermined function, and the first daemon process and a second daemon process in the scheme are used for establishing the directional connection of the first system equipment and the second system equipment.
step S22, the first daemon process generates a socket connection, and binds the socket connection to the IPv6 address of the first system device and the physical network card to which the first system device and the second system device are directly connected.
Different from the ADB, the physical connection of the socket connection is realized by a network card, the basic parameter of the connection is the IPv6 address of the first system device, the first daemon binds the socket connection to the IPv6 address of the first system device, and simultaneously connects to the network cards of the first system device and the second system device, and establishes the initial connection of the first daemon and the second daemon.
and step S23, the second daemon process confirms the IPv6 address of the first system device according to the starting parameters, and initiates active socket connection to the IPv6 address through the connected network card so as to confirm the establishment of socket connection to the monitoring socket.
Specifically, the first system device completes initial setting of socket connection establishment, sends its own physical address to the second system device through the ADB, and activates a daemon process of the second system device; the second daemon process confirms the IPv6 address of the first system device according to the relevant parameters, and initiates an active socket connection request through the connected network card, and the first system device establishes socket connection according to the monitoring result of the socket connection request initiated by the second daemon process by the monitoring socket.
Step S24, establishing a socket connection between the system service of the first system device and the first daemon process, and a socket connection between the system service of the second system device and the second daemon process.
As shown in fig. 2B, the finally formed data channel is a data channel formed by establishing a socket connection between the system service 51 of the first system device 50 and the first daemon process 52 directly according to the reserved communication port, and the process of establishing a socket connection between the system service 61 of the second system device 60 and the second daemon process 62 is similar, and the established socket connection between the first daemon process 52 and the second daemon process 62 is added to form a data channel based on the socket connection.
Step S25, setting a file descriptor of the socket connection between the first system device and the second system device.
in the directional connection established in the scheme, the data channel I/O is multiplexed, and in order to ensure the effective scheduling of the socket connection in the data transmission process, the file descriptor of the data channel can be monitored through the poll function and can be set. In the monitoring process, if the file is monitored to be described as dormant, a command is sent to another system device to maintain connection; if the file is monitored to be described as readable, reading the received data through the socket connection, and setting the parameter of poll to indicate that the write is interested; if the file descriptor is monitored to be writable, the written data is transmitted through socket connection, if the cache region for storing the data to be written is emptied, the parameter of poll is set to indicate that the write is not interested, and if the cache region for storing the data to be written is not sent completely at one time, the file descriptor is monitored continuously until the data transmission is completed.
step S26, when the system service of the first system device or the second system device needs to communicate, the data is sequentially sent to the system service of the other system device through the daemon process of the system device and the daemon process of the other system device through the corresponding socket connection.
Specifically, in the data transmission process, data between the daemon process of the first system device and the daemon process of the second system device is sequentially transmitted through socket connections in a blind forwarding manner. The system equipment firstly sends out the data corresponding to the data transmission task established firstly, and the number of the sent data blocks is equal to the number of the data blocks established when the data transmission task is established.
In summary, in the technical solution of this embodiment, a socket connection between a first daemon process of a first system device and a second daemon process of a second system device is established; the system service of the first system equipment is established and the socket connection between the first daemon process, the system service of the second system equipment is established and the socket connection between the second daemon process, and finally a data channel based on the socket connection between the double systems is established. Meanwhile, the data transmission based on the socket connection and the scheduling based on the file descriptor in the data transmission process improve the efficiency of data transmission and the utilization rate of a data channel.
EXAMPLE III
Fig. 3 is a schematic structural diagram of a device for dual-system directional connection according to a third embodiment of the present invention, where the device may be implemented in a hardware and/or software manner, and may generally be configured independently in a terminal device to implement the device of this embodiment. As shown in fig. 3, the apparatus for dual-system directional connection specifically includes: a first establishing unit and a second establishing unit 12;
a first establishing unit 10 and a second establishing unit 20;
A first establishing unit 10, configured to establish a socket connection between a first daemon process of a first system device and a second daemon process of a second system device;
A second establishing unit 20, configured to establish a socket connection between the system service of the first system device and the first daemon process, and a socket connection between the system service of the second system device and the second daemon process.
in summary, the above units operate cooperatively by establishing a socket connection between a first daemon process of the first system device and a second daemon process of the second system device; the system service of the first system equipment is established and the socket connection between the first daemon process, the system service of the second system equipment is established and the socket connection between the second daemon process, and finally a data channel based on the socket connection between the double systems is established.
example four
fig. 4 is a schematic structural diagram of a device for dual-system directional connection according to a fourth embodiment of the present invention, where the device may be implemented in a hardware and/or software manner, and may generally be configured independently in a terminal device to implement the device of this embodiment. As shown in fig. 4, the apparatus for dual-system directional connection specifically includes: a first establishing unit 10 and a second establishing unit 20;
A first establishing unit 10, configured to establish a socket connection between a first daemon process of a first system device and a second daemon process of a second system device;
a second establishing unit 20, configured to establish a socket connection between the system service of the first system device and the first daemon process, and a socket connection between the system service of the second system device and the second daemon process.
Wherein, the first establishing unit 10 includes:
The daemon starting module 11 is configured to start a first daemon of the first system device, where the first daemon starts a second daemon of a second system device by using a physical address of the first system device as a starting parameter through an ADB;
The network card connection module 12 is configured to generate a socket connection through a first daemon process, and bind the socket connection to the IPv6 address of the first system device and a physical network card to which the first system device and the second system device are directly connected;
The socket connection module 13 is configured to confirm, by the second daemon, the IPv6 address of the first system device according to the start parameter, and initiate active socket connection to the IPv6 address through the connected network card, so as to confirm establishment of socket connection to the monitoring socket.
Wherein, the device still includes:
The data transmission unit 30 is configured to, when the system service of the first system device or the second system device needs to perform communication, send data to the system service of another system device through a daemon process of the system device and a daemon process of another system device in sequence through corresponding socket connection.
wherein, the device still includes:
a file descriptor setting unit 40, configured to set a file descriptor of a socket connection between the first system device and the second system device before data transmission.
and sending data between the daemon process of the first system equipment and the daemon process of the second system equipment in a blind forwarding mode.
In summary, the above units operate cooperatively by establishing a socket connection between a first daemon process of the first system device and a second daemon process of the second system device; the system service of the first system equipment is established and the socket connection between the first daemon process, the system service of the second system equipment is established and the socket connection between the second daemon process, and finally a data channel based on the socket connection between the double systems is established. Meanwhile, the data transmission based on the socket connection and the scheduling based on the file descriptor in the data transmission process improve the efficiency of data transmission and the utilization rate of a data channel.
The apparatus for dual-system directional connection provided in the above embodiments may execute the method for dual-system directional connection provided in any embodiment of the present invention, and has corresponding functional modules and beneficial effects for executing the method. For technical details that are not described in detail in the above embodiments, reference may be made to the method for dual system directed connection provided by any embodiment of the present invention.
it is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (8)
1. a method of dual system directed connectivity, comprising:
Establishing socket connection between a first daemon process of first system equipment and a second daemon process of second system equipment;
Establishing a socket connection between the system service of the first system device and the first daemon process, and a socket connection between the system service of the second system device and the second daemon process;
The establishing of the socket connection between the first daemon process of the first system device and the second daemon process of the second system device includes:
starting a first daemon process of the first system equipment, wherein the first daemon process starts a second daemon process of second system equipment by taking a physical address of the first system equipment as a starting parameter through an ADB (address data base);
The first daemon process generates a monitoring socket of socket connection, and the socket connection is bound to the IPv6 address of the first system device and a physical network card directly connected with the first system device and the second system device;
and the second daemon process confirms the IPv6 address of the first system equipment according to the starting parameters and initiates active socket connection to the IPv6 address through the connected network card so as to confirm establishment of socket connection to the monitoring socket.
2. The method of claim 1, wherein after establishing the socket connection between the system service of the first system device and the first daemon process and the socket connection between the system service of the second system device and the second daemon process, further comprising:
And when the system service of the first system device or the second system device needs to communicate, sequentially sending the data to the system service of the other system device through the daemon process of the system device and the daemon process of the other system device through the corresponding socket connection.
3. the method according to claim 2, wherein before the data is sent to the system service of the other system device through the daemon process of the system device and the daemon process of the other system device in sequence through the corresponding socket connection when the system service of the first system device or the second system device needs to communicate, the method further comprises:
Setting a file descriptor of a socket connection between the first system device and a second system device.
4. The method of claim 2, wherein the data transmission between the daemon of the first system device and the daemon of the second system device is blind forwarding.
5. A dual system directional link apparatus, comprising:
The system comprises a first establishing unit, a second establishing unit and a processing unit, wherein the first establishing unit is used for establishing socket connection between a first daemon process of first system equipment and a second daemon process of second system equipment;
a second establishing unit, configured to establish a socket connection between the system service of the first system device and the first daemon process, and a socket connection between the system service of the second system device and the second daemon process;
The first establishing unit includes:
The daemon starting module is used for starting a first daemon of the first system equipment, and the first daemon starts a second daemon of second system equipment by taking a physical address of the first system equipment as a starting parameter through ADB;
the network card connection module is used for generating a monitoring socket of socket connection through a first daemon process, and binding the socket connection to the IPv6 address of the first system device and a physical network card directly connected with the first system device and the second system device;
and the socket connection module is used for confirming the IPv6 address of the first system equipment by the second daemon process according to the starting parameters and initiating active socket connection to the IPv6 address through the connected network card so as to confirm establishment of socket connection to the monitoring socket.
6. the apparatus of claim 5, further comprising:
and the data transmission unit is used for transmitting the data to the system service of the other system device through the daemon process of the system device and the daemon process of the other system device in sequence through corresponding socket connection when the system service of the first system device or the second system device needs to communicate.
7. The apparatus of claim 6, further comprising:
a file descriptor setting unit, configured to set a file descriptor of a socket connection between the first system device and the second system device before data transmission.
8. The apparatus of claim 6, wherein data transmission between the daemon of the first system device and the daemon of the second system device is blind forwarding.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611196639.7A CN106850554B (en) | 2016-12-22 | 2016-12-22 | Method and device for dual-system directional connection |
| PCT/CN2017/077309 WO2018113114A1 (en) | 2016-12-22 | 2017-03-20 | Dual system directional connection method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611196639.7A CN106850554B (en) | 2016-12-22 | 2016-12-22 | Method and device for dual-system directional connection |
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| CN106850554A CN106850554A (en) | 2017-06-13 |
| CN106850554B true CN106850554B (en) | 2019-12-17 |
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| CN201611196639.7A Active CN106850554B (en) | 2016-12-22 | 2016-12-22 | Method and device for dual-system directional connection |
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| WO (1) | WO2018113114A1 (en) |
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| CN110764965A (en) * | 2019-09-04 | 2020-02-07 | 深圳壹账通智能科技有限公司 | Process daemon method and device, electronic equipment and storage medium |
| CN113014679B (en) * | 2019-12-19 | 2022-11-01 | 成都鼎桥通信技术有限公司 | Communication method, device and system |
| CN111338826B (en) * | 2020-02-28 | 2021-02-02 | 北京嘀嘀无限科技发展有限公司 | Electronic equipment and equipment linkage control system and method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103902389A (en) * | 2014-03-06 | 2014-07-02 | 厦门雅迅网络股份有限公司 | Equipment management method supporting bidirectional communication based on android platform |
| CN104317661A (en) * | 2014-11-04 | 2015-01-28 | 上海斐讯数据通信技术有限公司 | Intersystem communication method and device of dual embedded systems |
| EP2530995A4 (en) * | 2010-08-11 | 2017-12-27 | ZTE Corporation | Method and apparatus for implementing network device function of wireless communication terminal |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105260250B (en) * | 2015-09-10 | 2018-08-03 | 烽火通信科技股份有限公司 | A kind of dual system communication device of linux system and android system |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2530995A4 (en) * | 2010-08-11 | 2017-12-27 | ZTE Corporation | Method and apparatus for implementing network device function of wireless communication terminal |
| CN103902389A (en) * | 2014-03-06 | 2014-07-02 | 厦门雅迅网络股份有限公司 | Equipment management method supporting bidirectional communication based on android platform |
| CN104317661A (en) * | 2014-11-04 | 2015-01-28 | 上海斐讯数据通信技术有限公司 | Intersystem communication method and device of dual embedded systems |
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| CN106850554A (en) | 2017-06-13 |
| WO2018113114A1 (en) | 2018-06-28 |
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